Automatic Transmission covering A43D, A340E, A340H, A340F
The following transmission codes represent what tranny you have.
*A340F are found in 4wd 4runners and trucks that have the 2.4L 22RE 4cyl motors.
*A340H are found in 4wd 4runners and trucks that have the 3.0L 3VZ-E<
V6 motors.
*A340E are found in 2wd 4runners and trucks that have the 3.0L 3VZ-E V6 motors.
All of these(except the 2wd versions) have an integrated chain driven transfer case that gives a 2.56:1 gear reduction in 4lo.
A340 Transmission issues and FAQs